Copy Script with Progress Bar

$user = $env:username
 
$path = read-host -Prompt 'Set source path'
$dest = read-host -Prompt 'Set destination path'

write-host "Your source path is $path"
write-host
write-host "Your destination path is $dest"
start-sleep -s 5
 
$files = Get-ChildItem $path -recurse
\[System.Reflection.Assembly\]::LoadWithPartialName("System.Windows.Forms") | out-null;  
 
            $counter = 1
            Foreach($file in $files)
             {
             $status = "Copy files {0} on {1}: {2}" -f $counter,$files.Count,$file.Name
             Write-Progress -Activity "Copy data" $status -PercentComplete ($counter / $files.count\*100)
             $restpath = $file.fullname.replace($path,"")
            Copy-Item  $file.fullname $($dest+$restpath) -Force 
            
            $counter++ 
            }
             If ($Counter = $files.Count)
             {\[System.Windows.Forms.MessageBox\]::Show("Backup End.")
 
}